About the Number

138693888

138693887 ← → 138693889

2進数表記:1000010001000100110100000000

漢数字表記:一億三千八百六十九万三千八百八十八

素因数分解:

2 8 × 3 2 × 17 1 × 3541 1

素因数の和:3580
約数の個数: 108
約数和(自身を含む): 423531108
約数和(自身を除く): 284837220

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 256, 272, 288, 306, 384, 408, 544, 576, 612, 768, 816, 1088, 1152, 1224, 1632, 2176, 2304, 2448, 3264, 3541, 4352, 4896, 6528, 7082, 9792, 10623, 13056, 14164, 19584, 21246, 28328, 31869, 39168, 42492, 56656, 60197, 63738, 84984, 113312, 120394, 127476, 169968, 180591, 226624, 240788, 254952, 339936, 361182, 453248, 481576, 509904, 541773, 679872, 722364, 906496, 963152, 1019808, 1083546, 1359744, 1444728, 1926304, 2039616, 2167092, 2719488, 2889456, 3852608, 4079232, 4334184, 5778912, 7705216, 8158464, 8668368, 11557824, 15410432, 17336736, 23115648, 34673472, 46231296, 69346944, 138693888]

約数ペア:
[(1, 138693888), (2, 69346944), (3, 46231296), (4, 34673472), (6, 23115648), (8, 17336736), (9, 15410432), (12, 11557824), (16, 8668368), (17, 8158464), (18, 7705216), (24, 5778912), (32, 4334184), (34, 4079232), (36, 3852608), (48, 2889456), (51, 2719488), (64, 2167092), (68, 2039616), (72, 1926304), (96, 1444728), (102, 1359744), (128, 1083546), (136, 1019808), (144, 963152), (153, 906496), (192, 722364), (204, 679872), (256, 541773), (272, 509904), (288, 481576), (306, 453248), (384, 361182), (408, 339936), (544, 254952), (576, 240788), (612, 226624), (768, 180591), (816, 169968), (1088, 127476), (1152, 120394), (1224, 113312), (1632, 84984), (2176, 63738), (2304, 60197), (2448, 56656), (3264, 42492), (3541, 39168), (4352, 31869), (4896, 28328), (6528, 21246), (7082, 19584), (9792, 14164), (10623, 13056)]

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